keel

1. v. t. & i. To cool; to skim or stir. Source: opted

2. n. A brewer's cooling vat; a keelfat. Source: opted

3. n. A longitudinal timber, or series of timbers scarfed together, extending from stem to stern along the bottom of a vessel. It is the principal timber of the vessel, and, by means of the ribs attached on each side, supports the vessel's frame. In an iron vessel, a combination of plates supplies the place of the keel of a wooden ship. See Illust. of Keelson. Source: opted

4. n. Fig.: The whole ship. Source: opted

5. n. A barge or lighter, used on the Type for carrying coal from Newcastle; also, a barge load of coal, twenty-one tons, four cwt. Source: opted

6. n. The two lowest petals of the corolla of a papilionaceous flower, united and inclosing the stamens and pistil; a carina. See Carina. Source: opted

7. n. A projecting ridge along the middle of a flat or curved surface. Source: opted

8. v. i. To traverse with a keel; to navigate. Source: opted

9. v. i. To turn up the keel; to show the bottom. Source: opted

10. n. a projection or ridge that suggests a keel Source: wordnet

11. n. the median ridge on the breastbone of birds that fly Source: wordnet

12. n. one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability Source: wordnet

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